Tire tread



FIG. 1 is a right side perspective view of a tire tread showing our new design;

FIG. 2 is a front elevational view of FIG. 1;

FIG. 3 is a right side elevational view of FIG. 1, the left side being a mirror image thereof; and,

FIG. 4 is an enlarged fragmentary right side perspective view of FIG. 1.

The broken lines defining the tire sidewall and inner bead and the peripheral boundary between the tire dread and sidewall are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a tire tread, as shown and described. 